Wireless headset



FIG. 1 is a perspective view of a wireless headset showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a front side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings depict portions of the wireless headset in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a wireless headset, as shown and described. 